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    <title>Document</title>
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        h1{
            color: aqua;
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        p{
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    <p>这是mztl分支的内容</p>
    <h1>tk分支时的测试</h1>
    <button>按钮</button>
    <script>
        document.querySelector('p').addEventListener('click',()=>{
            console.log('+++++++++++++++++++++');
        })
    </script>
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